. >> reporter: but harvard sophomore eliza hashme from baltimore says there's a culture fostered by the school of collaborative learning and wonders if this is an innocent extension of that. >> if you are studying with the entire students the same semester it may be as a result of your studying with them. >> reporter: but her mother thinks the students door smart to not realize what they were doing and is glad the university isn't looking the other way. >> you can see what is happening the last three, four years in the banking system everywhere. we know what's right and wrong, but sometimes in the whole peer group, there's peer pressure. >>> coming up a man who is $24 million richer comes forward and tells us what he did when he bought the winning powerball ticket. >> the lincoln memorial reflecting pool is reopened to the public and yes, this is legal. >>> get ready to fork over extra cash this holiday weekend. gas prices jumped 31 cents in august to $3.83 a gallon, the biggest jump we've seen since last april. if that trend continues, this labor day weekend could be the most expensive